$(".content #btn").click(function(e){
	e.preventDefault();
	var req = new FormData(document.getElementById("form"));
	$.ajax({
		type:"post",
		url:"pageHandle.php?action=addbook",
		processData:false,
		contentType:false,
		async:true,
		data:req,
		success:function(res){
			var obj = $.parseJSON(res);
			$(".content #msg").html(obj.msg);
		}
	})
})